package com.newzqxq.common.utils;

import org.apache.commons.lang.StringUtils;
import javax.mail.internet.MimeUtility;
import javax.servlet.http.HttpServletRequest;
import java.net.URLEncoder;

/**
 * 用于编码Excel下载的内容 的中文名
 */
public class HSSFUtil {
    /**
     * 设置下载文件中文件的名称
     *
     * @param filename
     * @param request
     * @return
     */
    public static String encodeFilename(String filename, HttpServletRequest request) {
    /**
     * 获取客户端浏览器和操作系统信息
     * 在IE浏览器中得到的是：User-Agent=Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; Maxthon; Alexa Toolbar)
     * 在Firefox中得到的是：User-Agent=Mozilla/5.0 (Windows; U; Windows NT 5.1; zh-CN; rv:1.7.10) Gecko/20050717 Firefox/1.0.6
     */
    String agent = request.getHeader("USER-AGENT");
    try {
    if ((agent != null) && (-1 != agent.indexOf("MSIE"))) {
    String newFileName = URLEncoder.encode(filename, "UTF-8");
    newFileName = StringUtils.replace(newFileName, "+", "%20");
    if (newFileName.length() > 150) {
    newFileName = new String(filename.getBytes("GB2312"), "ISO8859-1");
    newFileName = StringUtils.replace(newFileName, " ", "%20");
    }
    return newFileName;
    }
    if ((agent != null) && (-1 != agent.indexOf("Mozilla")))
    return MimeUtility.encodeText(filename, "UTF-8", "B");

    return filename;
    } catch (Exception ex) {
    return filename;
    }
    }
}